Make your integration a success based on where you are at with the process. See our resources for Onboarding and Setup to ensure you are able to connect. Check out the CM and RM setup articles for payment integrations which include REQUIRED STEPS that need to take place before you can integrate with a residential or commercial client. If you are creating an API from scratch and need help with design techniques, review the API design guide or MIX Quick Reference guide. See tips and resources for troubleshooting connection issues including testing an API call in a browser. If you are getting errors or are just plain stuck then we even have guides for best practices to get your support cases resolved quickly. Help us help you by providing the necessary information to give you the answers you need.
Design and Troubleshooting
MIX API Errors, HTTP Status CodesTroubleshooting APIs - Example from Partner Connect SupportTesting Read-Only MIX APIs in a BrowserUsing POSTMAN to Call Legacy (SOAP) APIsMIX APIs, Developer Key VS. Partner KeyMRI API Integrations GuideMRI Property Management Version 10.4.3 Integrations GuideMRI MIX API Design Guide